Potassium oxalate monohydrate is a source of oxalate ion. Oxalic acid (and formic acid) is readily oxidized and combine with calcium, iron, sodium, magnesium, or potassium to form less soluble salts called oxalates.
P 2395 (OTTO) Potassium oxalate, 99% Cas 6487-48-5 - used in the preparation of SBA-15-supported vanadium oxide catalyst. P 2395 (OTTO) Potassium oxalate, 99% Cas 6487-48-5 - used as a cleaner for metals and wood, as a mordant in dyeing and as a photographic chemical.